120 lines
3.1 KiB
C#
120 lines
3.1 KiB
C#
using Microsoft.SemanticKernel;
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using Microsoft.SemanticKernel.ChatCompletion;
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using VideoStudy.Shared;
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using Microsoft.AspNetCore.RateLimiting;
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using System.Threading.RateLimiting;
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using VideoStudy.API.Services;
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#pragma warning disable SKEXP0010 // Ollama connector is experimental
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var builder = WebApplication.CreateBuilder(args);
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// Add Services
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builder.Services.AddScoped<AnalysisService>();
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// Add CORS
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builder.Services.AddCors(options =>
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{
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options.AddPolicy("AllowAll", policyBuilder =>
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{
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policyBuilder
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.AllowAnyOrigin()
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.AllowAnyMethod()
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.AllowAnyHeader();
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});
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});
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// Add Swagger
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builder.Services.AddEndpointsApiExplorer();
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builder.Services.AddSwaggerGen();
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// Configure AI Provider (Ollama or Groq)
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var aiProvider = builder.Configuration["LlmSettings:Provider"] ?? "Ollama";
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builder.Services.AddKernel();
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if (aiProvider.Equals("Ollama", StringComparison.OrdinalIgnoreCase))
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{
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var ollamaUrl = builder.Configuration["LlmSettings:Ollama:BaseUrl"] ?? "http://localhost:11434";
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var ollamaModel = builder.Configuration["LlmSettings:Ollama:Model"] ?? "llama3.1";
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builder.Services.AddOpenAIChatCompletion(
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modelId: ollamaModel,
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apiKey: "ollama",
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endpoint: new Uri($"{ollamaUrl}/v1")
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);
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}
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else if (aiProvider.Equals("Groq", StringComparison.OrdinalIgnoreCase))
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{
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var groqApiKey = builder.Configuration["LlmSettings:Groq:ApiKey"]
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?? builder.Configuration["LlmSettings:ApiKey"]
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?? Environment.GetEnvironmentVariable("GROQ_API_KEY")
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?? "";
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var groqModel = builder.Configuration["LlmSettings:Groq:Model"]
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?? builder.Configuration["LlmSettings:ModelId"]
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?? "llama-3.3-70b-versatile";
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var groqBaseUrl = builder.Configuration["LlmSettings:Groq:BaseUrl"]
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?? builder.Configuration["LlmSettings:Endpoint"]
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?? "https://api.groq.com/openai/v1";
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builder.Services.AddOpenAIChatCompletion(
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modelId: groqModel,
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apiKey: groqApiKey,
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endpoint: new Uri(groqBaseUrl)
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);
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}
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// Add Rate Limiting
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builder.Services.AddRateLimiter(options =>
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{
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options.AddFixedWindowLimiter("api", opt =>
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{
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opt.Window = TimeSpan.FromMinutes(1);
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opt.PermitLimit = 60;
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});
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});
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var app = builder.Build();
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// Enable Rate Limiting
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app.UseRateLimiter();
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// Enable Swagger
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if (app.Environment.IsDevelopment())
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{
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app.UseSwagger();
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app.UseSwaggerUI();
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}
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app.UseCors("AllowAll");
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app.MapGet("/health", () => Results.Ok(new { status = "healthy", timestamp = DateTime.UtcNow }));
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// Video info endpoint (lightweight preview)
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app.MapGet("/api/video-info", async (string url, AnalysisService service) =>
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{
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try
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{
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var info = await service.GetVideoInfoAsync(url);
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return Results.Ok(info);
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}
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catch (Exception ex)
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{
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return Results.BadRequest(new { error = ex.Message });
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}
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})
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.WithName("GetVideoInfo");
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// Main analysis endpoint
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app.MapPost("/api/analyze", async (AnalysisRequest request, AnalysisService service) =>
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{
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return await service.AnalyzeVideoAsync(request);
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})
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.WithName("AnalyzeVideo");
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app.Run();
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#pragma warning restore SKEXP0010
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